Home / 1,263,731.60-1,895,597.40-785,434.70

Finding the Fourth Proportional to 1,263,731.60, 1,895,597.40 and 785,434.70

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Solution

The fourth proportional to 1,263,731.60, 1,895,597.40 and 785,434.70 is: 1,178,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,731.60 : 1,895,597.40 = 785,434.70 : x
  2. Step 2: Convert to fraction form
    1,263,731.60/1,895,597.40 = 785,434.70/x
  3. Step 3: Cross multiply
    1,263,731.60x = 1,895,597.40 × 785,434.70
  4. Step 4: Simplify right side
    1,263,731.60x = 1,488,867,975,189.78
  5. Step 5: Solve for x
    x = 1,488,867,975,189.78/1,263,731.60
  6. Step 6: Final answer
    x = 1,178,152.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.